Palazzo Giustiniani, Rome

Palazzo Giustiniani
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General information
Address	Via Dogana Vecchia
Town or city	Rome, Lazio
Country	Italy
Coordinates	41°53′57.14″N 12°28′31.25″E / 41.8992056°N 12.4753472°E / 41.8992056; 12.4753472
Current tenants	President of the Senate Senators for life Former presidents of Italy
Construction started	16th century
Owner	Senate of the Republic
Design and construction
Architect(s)	Giovanni Fontana Domenico Fontana Francesco Borromini

Palazzo Giustiniani or the Piccolo Colle (Little Hill) is a palace on the Via della Dogana Vecchia and Piazza della Rotonda, in Sant'Eustachio, Rome.

The palace contains the official residence of the President of the Senate of the Republic, the Sala Zuccari, the offices of the Life senators and former presidents of Italy, and some administrative offices. From 1901 until 1985, it was also the seat of the Masonic order of the Grand Orient of Italy.